Detector 8

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'This page contains information about changes/issues for RHESSI detector 8 after the 2014 anneal.  Detector updates from 2012-mid 2014 can be found here: [[Detector 8 anneal 2012]]
'This page contains information about changes/issues for RHESSI detector 8 after the 2014 anneal.  Detector updates from 2012-mid 2014 can be found here: [[Detector 8 anneal 2012]]
-
===Notes===
+
===Post 2014 Anneal===
Detector 8 is SEGMENTED after the 2014 anneal!
Detector 8 is SEGMENTED after the 2014 anneal!
Line 39: Line 39:
  15-124-20:49:54 /IDPUTABLE8 OFFSET=REARFASTDAC
  15-124-20:49:54 /IDPUTABLE8 OFFSET=REARFASTDAC
  15-124-20:50:09 /IDPLOAD VALUE=0xC0 ; was 0xB0
  15-124-20:50:09 /IDPLOAD VALUE=0xC0 ; was 0xB0
 +
 +
* On May 15 the front slow threshold was increased
 +
 +
2015-135-21:36:06 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
 +
2015-135-21:36:25 /IDPLOAD VALUE=0x15  ; was 0x0C
* On June 11 2015 the front fast threshold was raised because the fast rates were high and the livetime was low.  This action was NOT successful in reducing the fast rates -- they dropped ever so slightly but not much.  Therefore, the livetime remained low.
* On June 11 2015 the front fast threshold was raised because the fast rates were high and the livetime was low.  This action was NOT successful in reducing the fast rates -- they dropped ever so slightly but not much.  Therefore, the livetime remained low.
Line 49: Line 54:
  2015-258-17:09:51 /IDPUTABLE8 OFFSET=frontslowDAC
  2015-258-17:09:51 /IDPUTABLE8 OFFSET=frontslowDAC
  2015-258-17:10:22 /IDPLOAD VALUE=0x20  ; was 0x15
  2015-258-17:10:22 /IDPLOAD VALUE=0x20  ; was 0x15
 +
 +
* On October 28 in an attempt to lower the high reset rates  and the front slow counts registered the HV on the detector was changed to ~2181.
 +
  2015-301-20:29:56 /ihvdac detector=8, voltage=112
 +
 +
* November 14, HV dropped by 400V to 1789V
 +
 +
2015-318-07:02:37 /ihvdac detector=8, voltage=92
 +
 +
* November 23, HV dropped by 400 V to 1400 V in an attempt to reduce noise
 +
 +
2015-327-22:09:13 /ihvdac detector=8, voltage=72 ;  (now 1397.1 V)
 +
 +
* December 28, D8 events were turned off; rear ULD events were filling memory
 +
 +
2015-362-10:52:03 /itmoff value=dib8
 +
2015-362-10:52:09 start sc_tbl_loadpkt("T15362SLTN61_No_G3_G4_G8_G9.01")
 +
 +
===Post 2016 Anneal===
 +
 +
Detector 8 is SEGMENTED after the 2016 anneal!
 +
 +
* 2016-05-24: D8 rear is mimicing the light leak behavior seen in D3 although this has not previously been seen in D8. Its possible we see the light leak here because of other detectors being turned off
 +
16-145-16:18:03 start idib_chg_thrshld(8, REAR, FAST, 0x60)
 +
16-145-16:18:07 /IDPUDUMPTABL TABLE=DIBTBL8
 +
16-145-16:18:07 /IDPUTABLE8 OFFSET=REARFASTDAC
 +
16-145-16:18:16 /IDPULOAD VALUE=0x60
 +
 +
* 2016-08-15: Light leak threshold changes
 +
16-228-22:52:25 start idib_chg_thrshld(8, REAR, FAST, 0x68)
 +
16-228-22:52:28 /IDPUDUMPTABL TABLE=DIBTBL8
 +
16-228-22:52:28 /IDPUTABLE8 OFFSET=REARFASTDAC
 +
16-228-22:52:34 /IDPULOAD VALUE=0x68
 +
 +
* 2016-10-07: Rear fast threshold increase for dead time
 +
2016-281-20:39:12 /IDPUTABLE8 OFFSET=REARFASTDAC
 +
2016-281-20:39:22 /IDPULOAD VALUE=0x80
 +
 +
* 2016-10-09: Threshold changes to reduce dead time
 +
16-283-19:43:43 start idib_chg_thrshld(8, FRONT, SLOW, 0x30)
 +
16-283-19:43:47 /IDPUDUMPTABL TABLE=DIBTBL8
 +
16-283-19:43:47 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
 +
16-283-19:43:55 /IDPULOAD VALUE=0x30
 +
16-283-19:44:00 start write_ssr_info
 +
 +
16-283-19:44:16 start idib_chg_thrshld(8, FRONT, FAST, 0x40)
 +
16-283-19:44:20 /IDPUDUMPTABL TABLE=DIBTBL8
 +
16-283-19:44:20 /IDPUTABLE8 OFFSET=FRONTFASTDAC
 +
16-283-19:44:24 /IDPULOAD VALUE=0x40
 +
 +
16-283-19:44:45 start idib_chg_thrshld(8, REAR, FAST, 0xA0)
 +
16-283-19:44:48 /IDPUDUMPTABL TABLE=DIBTBL8
 +
16-283-19:44:48 /IDPUTABLE8 OFFSET=REARFASTDAC
 +
16-283-19:44:58 /IDPULOAD VALUE=0xA0
 +
 +
* 2016-10-10: Reverted front slow threshold, not much effect on dead time
 +
16-284-22:33:32 start idib_chg_thrshld(8, FRONT, SLOW, 0x0C)
 +
16-284-22:33:36 /IDPUDUMPTABL TABLE=DIBTBL8
 +
16-284-22:33:36 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
 +
16-284-22:33:47 /IDPULOAD VALUE=0x0C
 +
 +
* 2016-10-11: Lowered HV to 3000V to decrease dead time, worked pretty well
 +
16-285-18:48:24 /ihvdac detector=8, voltage=0x9A
 +
 +
* 2016-10-13: Turned off this detector
 +
Turn off detector 8
 +
16-287-16:14:04 /itmoff value=8
 +
16-287-16:14:57 /ihvdac detector=8,voltage=0
 +
16-287-16:16:53 /idibpwroff value=8
 +
 +
* 2017-01-17: Turned on
 +
 +
2017-017-18:38:37 start idib_on_g8
 +
2017-017-18:39:29 start ihv_ramp_stage1_g8 ; 171 V
 +
 +
2017-017-20:14:00 start ihv_ramp_stage2_g8 ; 1000 V
 +
 +
2017-017-21:52:46 start ihv_ramp_stage3_g8 ; 2000 V
 +
 +
2017-017-23:32:39 start ihv_ramp_stage4_g8 ; 3000 V
 +
 +
2017-017-23:39:40 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
 +
2017-017-23:39:56 /IDPULOAD VALUE=0x15 ; was 0x0C
 +
 +
2017-018-01:14:25 /IDPUTABLE8 OFFSET=FRONTFASTDAC
 +
2017-018-01:14:31 /IDPULOAD VALUE=0x60 ; was 0x40
 +
 +
2017-018-01:15:22 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
 +
2017-018-01:15:28 /IDPULOAD VALUE=0x1C ; was 0x15
 +
 +
* 2017 Jan 19: switched off
 +
 +
* 2017 April 3: Turned on in response to high solar activity. HV was raised to ~1000V at 16:25 and then up to ~2000V at 19:45 UT.
 +
 +
* 2017 April 17. D8 events were turned on; Front Fast threshold was adjusted
 +
2017-107-21:31:35 start idib_on_g8
 +
2017-107-21:32:20 start ihv_ramp_stage2_g8 ; 1000 V
 +
2017-107-23:09:58 start ihv_ramp_stage3_g8
 +
17-108-00:40:32 start idib_chg_thrshld(8, FRONT, FAST, 0x90)
 +
 +
* 2017 April 25: Raised front fast threshold from 0x90 to 0xB0, increased live time from 2.7% to 73%
 +
 +
2017-116-00:08:38 /IDPUTABLE8 OFFSET=FRONTFASTDAC
 +
2017-116-00:08:48 /IDPULOAD VALUE=0xA0 ; was 0x90
 +
 +
2017-116-00:09:33 /IDPUTABLE8 OFFSET=FRONTFASTDAC
 +
2017-116-00:09:41 /IDPULOAD VALUE=0xB0 ; was 0xA0
 +
 +
* 2017 August 16: Raised front slow threshold to reduce low-energy noise
 +
17-228-19:55:15 start idib_chg_thrshld(8,FRONT,SLOW,0x20)
 +
17-228-19:55:19 /IDPUDUMPTABL TABLE=DIBTBL8
 +
17-228-19:55:19 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
 +
17-228-19:55:26 /IDPULOAD VALUE=0x20
 +
 +
* 2017 November 3: Raised rear fast threshold to 0xFF
 +
 +
17-307-16:32:21 start idib_chg_thrshld(8,rear,fast,0xFF) ; was 0xC0
 +
17-307-16:32:25 /IDPUDUMPTABL TABLE=DIBTBL8
 +
17-307-16:32:25 /IDPUTABLE8 OFFSET=REARFASTDAC
 +
17-307-16:32:37 /IDPULOAD VALUE=0xFF
 +
Line 55: Line 180:
|-  
|-  
| post 2014 anneal || 0x0C
| post 2014 anneal || 0x0C
 +
|-
 +
| 2015-May-15 21:36:25|| 0x15 (was 0x0C)
|-  
|-  
| 2015-Sep-15 17:35|| 0x20 (was 0x15)
| 2015-Sep-15 17:35|| 0x20 (was 0x15)
 +
|-
 +
| post 2016 anneal || 0x0C
|-
|-
 +
| 2017-Aug-16 19:55:26 || 0x20
 +
|-
 +
| 2016-10-09 19:43:55 || 0x30 (Was 0x0C)
 +
|-
 +
| 2016-10-10 22:33:47 || 0x0C (Was 0x30)
 +
|-
 +
| 2017-01-17 01:15:28 || 0x1C (Was 0x15)
 +
|-
 +
|}
|}
Line 73: Line 211:
| 2015-Aug-28 17:35:18 || 0x60 (was 0x50)
| 2015-Aug-28 17:35:18 || 0x60 (was 0x50)
|-  
|-  
 +
| post 2016 anneal || 0x22
 +
|-
 +
| 2016-10-09 19:44:24 || 0x40 (was 0x22)
 +
|-
 +
| 2016-01-17 01:14:31 || 0x60  (was 0x40)
 +
|-
 +
| 2017-04-18 00:40:32 || 0x90 (was 0x60)
 +
|-
 +
| 2017-04-26 00:09:41 || 0xB0 (was 0x90)
 +
|-
 +
| 2017-05-09 19:08:43 || 0xE0 (was 0xC0)
|}
|}
Line 79: Line 228:
|-  
|-  
| post 2014 anneal || 0x30
| post 2014 anneal || 0x30
 +
|-
 +
| post 2016 anneal || 0x30
|}
|}
Line 103: Line 254:
|-
|-
|2015-Jul-24 17:21:50 || 0xFF (was 0xD0)
|2015-Jul-24 17:21:50 || 0xFF (was 0xD0)
 +
|-
 +
| post 2016 anneal || 0x45
 +
|-
 +
| 2016-May-24 16:18:16 || 0x60 (was 0x45)
 +
|-
 +
| 2016-Aug-15 22:52:28 || 0x68 (was 0x60)
 +
|-
 +
| 2016-10-07 19:44:58 UTC || 0x80 (was 0x68)
 +
|-
 +
| 2016-10-09 20:39:22 UTC || 0xA0 (was 0x80)
 +
|-
 +
| 2017-05-09 19:09:28 UTC || 0xC0 (was 0xA0)
|-
|-
 +
| 2017-Nov-03 16:32:21 || 0xFF (was 0xC0)
|}
|}
Line 114: Line 278:
|-
|-
|2015-May-12 21:03:52 || 2573 V (was 3554 V)
|2015-May-12 21:03:52 || 2573 V (was 3554 V)
 +
|-
 +
|2015-Oct-28 20:29:56 || 2181 V (was 2573 V)
 +
|-
 +
|2015-11-14 07:02:37 || 1789 V (was 2179 V)
 +
|-
 +
|2015-11-23 22:09:13 || 1397 V (was 1789 V)
 +
|-
 +
| post 2016 anneal || 4019 V
 +
|-
 +
| 2016-10-11 18:48:24 || 2990 V (was 4000 V)
 +
|-
 +
| 2016-Oct-13 16:14:04 || 0V
 +
|-
 +
| 2017-01-17 23:32:29 || 3000 V (was OFF)
 +
|-
 +
| 2017-Jan-19 || 0V
 +
|-
 +
| 2017-Apr-3 || 2000 V
 +
|-
 +
| 2017-Apr-11 || 0 V
 +
|-
 +
| 2017-Apr-18 || 2000 V
|}
|}

Latest revision as of 18:42, 8 November 2017

'This page contains information about changes/issues for RHESSI detector 8 after the 2014 anneal. Detector updates from 2012-mid 2014 can be found here: Detector 8 anneal 2012

Contents

Post 2014 Anneal

Detector 8 is SEGMENTED after the 2014 anneal!

On March 13, 2015 the rear fast threshold was changed.

 15-072-22:05:41 /IDPUTABLE8 OFFSET=REARFASTDAC
 15-072-22:05:56 /IDPLOAD VALUE=0x55
15-097-19:57:24 /IDPUTABLE8 OFFSET=REARFASTDAC
15-097-19:57:37 /IDPLOAD VALUE=0x70 ; was 0x65
15-099-17:38:09 /IDPUTABLE8 OFFSET=REARFASTDAC
15-099-17:38:23 /IDPLOAD VALUE=0x80 ; was 0x70
15-103-17:46:36 /IDPUTABLE8 OFFSET=REARFASTDAC
15-103-17:46:47 /IDPLOAD VALUE=0x90   ; was 0x80
15-104-17:25:11 /IDPUTABLE8 OFFSET=REARFASTDAC
15-104-17:25:22 /IDPLOAD VALUE=0xA0 ; was 0x90
15-114-19:14:10 /IDPUTABLE8 OFFSET=REARFASTDAC
15-114-19:14:20 /IDPLOAD VALUE=0xB0 ; was 0xA0
15-124-20:49:54 /IDPUTABLE8 OFFSET=REARFASTDAC
15-124-20:50:09 /IDPLOAD VALUE=0xC0 ; was 0xB0
2015-135-21:36:06 /IDPUTABLE8 OFFSET=FRONTSLOWDAC 
2015-135-21:36:25 /IDPLOAD VALUE=0x15  ; was 0x0C
2015-205-17:21:40 /IDPUTABLE8 OFFSET=REARFASTDAC
2015-205-17:21:50 /IDPLOAD VALUE=0xFF ; was 0xD0
2015-258-17:09:51 /IDPUTABLE8 OFFSET=frontslowDAC
2015-258-17:10:22 /IDPLOAD VALUE=0x20  ; was 0x15
 2015-301-20:29:56 /ihvdac detector=8, voltage=112
2015-318-07:02:37 /ihvdac detector=8, voltage=92
2015-327-22:09:13 /ihvdac detector=8, voltage=72 ;  (now 1397.1 V)
2015-362-10:52:03 /itmoff value=dib8
2015-362-10:52:09 start sc_tbl_loadpkt("T15362SLTN61_No_G3_G4_G8_G9.01")

Post 2016 Anneal

Detector 8 is SEGMENTED after the 2016 anneal!

16-145-16:18:03 start idib_chg_thrshld(8, REAR, FAST, 0x60)
16-145-16:18:07 /IDPUDUMPTABL TABLE=DIBTBL8
16-145-16:18:07 /IDPUTABLE8 OFFSET=REARFASTDAC
16-145-16:18:16 /IDPULOAD VALUE=0x60
16-228-22:52:25 start idib_chg_thrshld(8, REAR, FAST, 0x68) 
16-228-22:52:28 /IDPUDUMPTABL TABLE=DIBTBL8
16-228-22:52:28 /IDPUTABLE8 OFFSET=REARFASTDAC
16-228-22:52:34 /IDPULOAD VALUE=0x68
2016-281-20:39:12 /IDPUTABLE8 OFFSET=REARFASTDAC
2016-281-20:39:22 /IDPULOAD VALUE=0x80
16-283-19:43:43 start idib_chg_thrshld(8, FRONT, SLOW, 0x30)
16-283-19:43:47 /IDPUDUMPTABL TABLE=DIBTBL8
16-283-19:43:47 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
16-283-19:43:55 /IDPULOAD VALUE=0x30
16-283-19:44:00 start write_ssr_info
16-283-19:44:16 start idib_chg_thrshld(8, FRONT, FAST, 0x40)
16-283-19:44:20 /IDPUDUMPTABL TABLE=DIBTBL8
16-283-19:44:20 /IDPUTABLE8 OFFSET=FRONTFASTDAC
16-283-19:44:24 /IDPULOAD VALUE=0x40
16-283-19:44:45 start idib_chg_thrshld(8, REAR, FAST, 0xA0)
16-283-19:44:48 /IDPUDUMPTABL TABLE=DIBTBL8
16-283-19:44:48 /IDPUTABLE8 OFFSET=REARFASTDAC
16-283-19:44:58 /IDPULOAD VALUE=0xA0
16-284-22:33:32 start idib_chg_thrshld(8, FRONT, SLOW, 0x0C)
16-284-22:33:36 /IDPUDUMPTABL TABLE=DIBTBL8
16-284-22:33:36 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
16-284-22:33:47 /IDPULOAD VALUE=0x0C
16-285-18:48:24 /ihvdac detector=8, voltage=0x9A
Turn off detector 8 
16-287-16:14:04 /itmoff value=8
16-287-16:14:57 /ihvdac detector=8,voltage=0
16-287-16:16:53 /idibpwroff value=8
2017-017-18:38:37 start idib_on_g8
2017-017-18:39:29 start ihv_ramp_stage1_g8 ; 171 V
2017-017-20:14:00 start ihv_ramp_stage2_g8 ; 1000 V
2017-017-21:52:46 start ihv_ramp_stage3_g8 ; 2000 V
2017-017-23:32:39 start ihv_ramp_stage4_g8 ; 3000 V
2017-017-23:39:40 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
2017-017-23:39:56 /IDPULOAD VALUE=0x15 ; was 0x0C
2017-018-01:14:25 /IDPUTABLE8 OFFSET=FRONTFASTDAC
2017-018-01:14:31 /IDPULOAD VALUE=0x60 ; was 0x40
2017-018-01:15:22 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
2017-018-01:15:28 /IDPULOAD VALUE=0x1C ; was 0x15
2017-107-21:31:35 start idib_on_g8
2017-107-21:32:20 start ihv_ramp_stage2_g8 ; 1000 V
2017-107-23:09:58 start ihv_ramp_stage3_g8
17-108-00:40:32 start idib_chg_thrshld(8, FRONT, FAST, 0x90)
2017-116-00:08:38 /IDPUTABLE8 OFFSET=FRONTFASTDAC
2017-116-00:08:48 /IDPULOAD VALUE=0xA0 ; was 0x90
2017-116-00:09:33 /IDPUTABLE8 OFFSET=FRONTFASTDAC
2017-116-00:09:41 /IDPULOAD VALUE=0xB0 ; was 0xA0
17-228-19:55:15 start idib_chg_thrshld(8,FRONT,SLOW,0x20)
17-228-19:55:19 /IDPUDUMPTABL TABLE=DIBTBL8
17-228-19:55:19 /IDPUTABLE8 OFFSET=FRONTSLOWDAC
17-228-19:55:26 /IDPULOAD VALUE=0x20
17-307-16:32:21 start idib_chg_thrshld(8,rear,fast,0xFF) ; was 0xC0
17-307-16:32:25 /IDPUDUMPTABL TABLE=DIBTBL8
17-307-16:32:25 /IDPUTABLE8 OFFSET=REARFASTDAC
17-307-16:32:37 /IDPULOAD VALUE=0xFF


D8 front slow LLD threshold history

post 2014 anneal 0x0C
2015-May-15 21:36:25 0x15 (was 0x0C)
2015-Sep-15 17:35 0x20 (was 0x15)
post 2016 anneal 0x0C
2017-Aug-16 19:55:26 0x20
2016-10-09 19:43:55 0x30 (Was 0x0C)
2016-10-10 22:33:47 0x0C (Was 0x30)
2017-01-17 01:15:28 0x1C (Was 0x15)

D8 front fast LLD threshold history

post 2014 anneal 0x22
2015-Jun-11 20:18:18 0x30 (was 0x22)
2015-Jul-31 21:41:31 0x40 (was 0x30)
2015-Aug-03 20:31:56 0x50 (was 0x40)
2015-Aug-28 17:35:18 0x60 (was 0x50)
post 2016 anneal 0x22
2016-10-09 19:44:24 0x40 (was 0x22)
2016-01-17 01:14:31 0x60 (was 0x40)
2017-04-18 00:40:32 0x90 (was 0x60)
2017-04-26 00:09:41 0xB0 (was 0x90)
2017-05-09 19:08:43 0xE0 (was 0xC0)

D8 rear slow LLD threshold history

post 2014 anneal 0x30
post 2016 anneal 0x30

D8 rear fast LLD threshold history

post 2014 anneal 0x45
2015-Mar-13 22:05:56 0x55 (was 0x45)
2015-Mar-25 19:30:35 0x65 (was 0x55)
2015-Apr-07 19:58 0x70 (was 0x65)
2015-Apr-09 17:38:23 0x80 (was 0x70)
2015-Apr-13 17:46:47 0x90 (was 0x80)
2015-Apr-14 17:25:22 0xA0 (was 0x90)
2015-Apr-24 19:14:20 0xB0 (was 0xA0)
2015-May-04 20:49:54 0xC0 (was 0xB0)
2015-Jul-24 17:21:50 0xFF (was 0xD0)
post 2016 anneal 0x45
2016-May-24 16:18:16 0x60 (was 0x45)
2016-Aug-15 22:52:28 0x68 (was 0x60)
2016-10-07 19:44:58 UTC 0x80 (was 0x68)
2016-10-09 20:39:22 UTC 0xA0 (was 0x80)
2017-05-09 19:09:28 UTC 0xC0 (was 0xA0)
2017-Nov-03 16:32:21 0xFF (was 0xC0)

D8 HV history

post 2014 anneal 3995 V
2015-May-8 22:33:30 3554 V (was 3995 V)
2015-May-12 21:03:52 2573 V (was 3554 V)
2015-Oct-28 20:29:56 2181 V (was 2573 V)
2015-11-14 07:02:37 1789 V (was 2179 V)
2015-11-23 22:09:13 1397 V (was 1789 V)
post 2016 anneal 4019 V
2016-10-11 18:48:24 2990 V (was 4000 V)
2016-Oct-13 16:14:04 0V
2017-01-17 23:32:29 3000 V (was OFF)
2017-Jan-19 0V
2017-Apr-3 2000 V
2017-Apr-11 0 V
2017-Apr-18 2000 V
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